Date
July 17, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.702245] ================================================================== [ 16.702331] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 16.702399] Write of size 16 at addr fff00000c6691869 by task kunit_try_catch/178 [ 16.702448] [ 16.702485] CPU: 1 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 16.702574] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.702600] Hardware name: linux,dummy-virt (DT) [ 16.702631] Call trace: [ 16.702654] show_stack+0x20/0x38 (C) [ 16.702712] dump_stack_lvl+0x8c/0xd0 [ 16.702766] print_report+0x118/0x5d0 [ 16.702812] kasan_report+0xdc/0x128 [ 16.703188] kasan_check_range+0x100/0x1a8 [ 16.703625] __asan_memset+0x34/0x78 [ 16.703945] kmalloc_oob_memset_16+0x150/0x2f8 [ 16.704015] kunit_try_run_case+0x170/0x3f0 [ 16.704067] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.704512] kthread+0x328/0x630 [ 16.704983] ret_from_fork+0x10/0x20 [ 16.705175] [ 16.705598] Allocated by task 178: [ 16.705777] kasan_save_stack+0x3c/0x68 [ 16.706125] kasan_save_track+0x20/0x40 [ 16.706251] kasan_save_alloc_info+0x40/0x58 [ 16.706321] __kasan_kmalloc+0xd4/0xd8 [ 16.706592] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.706700] kmalloc_oob_memset_16+0xb0/0x2f8 [ 16.706902] kunit_try_run_case+0x170/0x3f0 [ 16.707123] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.707188] kthread+0x328/0x630 [ 16.707253] ret_from_fork+0x10/0x20 [ 16.707401] [ 16.707647] The buggy address belongs to the object at fff00000c6691800 [ 16.707647] which belongs to the cache kmalloc-128 of size 128 [ 16.707956] The buggy address is located 105 bytes inside of [ 16.707956] allocated 120-byte region [fff00000c6691800, fff00000c6691878) [ 16.708050] [ 16.708073] The buggy address belongs to the physical page: [ 16.708112] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106691 [ 16.708288] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.708551] page_type: f5(slab) [ 16.708597] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 16.708793] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.709258] page dumped because: kasan: bad access detected [ 16.709721] [ 16.709760] Memory state around the buggy address: [ 16.709812] fff00000c6691700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.709992] fff00000c6691780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.710220] >fff00000c6691800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.710263] ^ [ 16.710478] fff00000c6691880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.710687] fff00000c6691900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.710783] ==================================================================
[ 12.416514] ================================================================== [ 12.417462] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 12.418254] Write of size 16 at addr ffff8881026a6b69 by task kunit_try_catch/195 [ 12.418753] [ 12.418986] CPU: 1 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 12.419039] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.419064] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.419087] Call Trace: [ 12.419099] <TASK> [ 12.419118] dump_stack_lvl+0x73/0xb0 [ 12.419149] print_report+0xd1/0x610 [ 12.419172] ? __virt_addr_valid+0x1db/0x2d0 [ 12.419196] ? kmalloc_oob_memset_16+0x166/0x330 [ 12.419217] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.419240] ? kmalloc_oob_memset_16+0x166/0x330 [ 12.419261] kasan_report+0x141/0x180 [ 12.419282] ? kmalloc_oob_memset_16+0x166/0x330 [ 12.419309] kasan_check_range+0x10c/0x1c0 [ 12.419332] __asan_memset+0x27/0x50 [ 12.419350] kmalloc_oob_memset_16+0x166/0x330 [ 12.419372] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 12.419394] ? __schedule+0x10cc/0x2b60 [ 12.419416] ? __pfx_read_tsc+0x10/0x10 [ 12.419437] ? ktime_get_ts64+0x86/0x230 [ 12.419461] kunit_try_run_case+0x1a5/0x480 [ 12.419485] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.419507] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.419530] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.419552] ? __kthread_parkme+0x82/0x180 [ 12.419573] ? preempt_count_sub+0x50/0x80 [ 12.419755] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.419784] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.419891] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.419915] kthread+0x337/0x6f0 [ 12.419933] ? trace_preempt_on+0x20/0xc0 [ 12.419958] ? __pfx_kthread+0x10/0x10 [ 12.419977] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.419998] ? calculate_sigpending+0x7b/0xa0 [ 12.420022] ? __pfx_kthread+0x10/0x10 [ 12.420042] ret_from_fork+0x116/0x1d0 [ 12.420071] ? __pfx_kthread+0x10/0x10 [ 12.420090] ret_from_fork_asm+0x1a/0x30 [ 12.420122] </TASK> [ 12.420134] [ 12.432496] Allocated by task 195: [ 12.433026] kasan_save_stack+0x45/0x70 [ 12.433304] kasan_save_track+0x18/0x40 [ 12.433727] kasan_save_alloc_info+0x3b/0x50 [ 12.433991] __kasan_kmalloc+0xb7/0xc0 [ 12.434182] __kmalloc_cache_noprof+0x189/0x420 [ 12.434385] kmalloc_oob_memset_16+0xac/0x330 [ 12.434575] kunit_try_run_case+0x1a5/0x480 [ 12.434759] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.435569] kthread+0x337/0x6f0 [ 12.436090] ret_from_fork+0x116/0x1d0 [ 12.436366] ret_from_fork_asm+0x1a/0x30 [ 12.436753] [ 12.436952] The buggy address belongs to the object at ffff8881026a6b00 [ 12.436952] which belongs to the cache kmalloc-128 of size 128 [ 12.437859] The buggy address is located 105 bytes inside of [ 12.437859] allocated 120-byte region [ffff8881026a6b00, ffff8881026a6b78) [ 12.438553] [ 12.438815] The buggy address belongs to the physical page: [ 12.439233] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1026a6 [ 12.439569] flags: 0x200000000000000(node=0|zone=2) [ 12.440029] page_type: f5(slab) [ 12.440432] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.440923] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.441253] page dumped because: kasan: bad access detected [ 12.441482] [ 12.441566] Memory state around the buggy address: [ 12.442299] ffff8881026a6a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.442773] ffff8881026a6a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.443138] >ffff8881026a6b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.443424] ^ [ 12.444127] ffff8881026a6b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.444514] ffff8881026a6c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.445266] ==================================================================